[rCMT] Mw=6.7 NEW IRELAND REGION, P.N.G.
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Wed Sep 26 13:24:22 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2007htaw NEW IRELAND REGION, P.N.G
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY INCN KIP MAJO PET TAU TLY ULN YAK YSS
Origin time: 2007 269 12 36 26
Original location (lat,lon,depth) : -4.90000 153.200 28
Moment tensor (x1.e26 dyncm) :
Mrr : 1.606647 Mtt : -0.626694
Mff : -0.979953 Mrt : 0.079456
Mrf : 0.057865 Mtf : 0.793801
T-axis: moment= 1.613 plunge= 86.493 azimuth= 322.595
N-axis: moment= 0.004 plunge= 3.506 azimuth= 141.262
P-axis: moment= -1.617 plunge= 0.081 azimuth= 231.267
best double couple: Mo= 1.615(x1.e26 dyncm) Mw=6.7 tau= 6.5
nodal planes (strike/dip/slip): 324.77/ 45.03/ 94.96 137.77/ 45.19/ 85.06
Centroid location : -5.076 153.240 43.781
Centroid time : 8.814
Variance reduction (%) : 72
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 1 1 3 1 0 0 0 2
r-comp: 0 0 0 0 1 0 4 2 0 0 0 1
t-comp: 0 0 0 0 1 1 4 2 0 0 0 1
Total number of traces used = 25
number of runs = 9
starttime = Wed Sep 26 07:00:16 MDT 2007
endtime = Wed Sep 26 07:24:19 MDT 2007
inversion time = Wed Sep 26 07:24:06 MDT 2007 - Wed Sep 26 07:24:18 MDT 2007
Solution produced by inversion of channels with var red > 2%
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